PE-RT female thread coupling for heating system 1.material:PERT(LG) 2.size:s16,s20,*1/2"; ... normal conditions Recycled and Environment friendlyApplication: 1. Ground heating system, it is suitable for such heating as the living room, bedroom, public ... system 3. used in transportation pipelines such as the beverage, milk, etc. in food industry. PE-RT female thread coupling for heating system ...